226 University of California Publications. | ZOOLOGY 
4 Genital segment about 34 as long as the anal segment and 
furea together. 
Coloration: Varying amounts of red or yellow red pigment in | 
mouth region, posterior thoracic segments, and genital segment; 
eye red. 
Length: Female, 0.8-1 mm.; male, not over 0.8 mm. 
Occurrence: A few were taken June 16, 1904. 
2. Corycaeus carinatus Giesbrecht. 
Corycaeus carinatus Giesbrecht, 1892, pp. 661, 675; pl. 51, figs. 
20, 26. 
Corycaeus carinatus Wheeler, 1899, p. 192, fig. 30. 
Fig. 62.—Corycaeus carinatus. (a) Female, dorsal, X40. (b) Female, 
lateral, 40. 
2 Cephalothorax with 2 segments, abdomen with 1; ventral 
keel beak-like and pointing back; the abdomen tapers toward the 
posterior end, furea half as long as the rest of the abdomen, 
about 4 times as long as broad. 
& Unknown. 
Coloration: Red or yellowish red pigment in region of mouth, 
extensions of thoracic segments, and in the genital segment; eye 
red. 
Length: 0.86 mm. to 0.92 mm. 
Occurrence: A few specimens taken at San Diego, Dec. 30, 
1903, and Jan. 4, 1904. 
Cambridge, Mass., 
January 4, 1905. 
es 
